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How Were the Giant Bronze Drums of the Red River Valley Made? - Lost-Wax Casting and the Bronze Age Red River Valley | Sleepy Facts About History

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The Đông Sơn bronze drums, cast in the Red River valley of what is now northern Vietnam, were monumental objects standing taller than a person and requiring immense technical skill to produce. Yet these massive instruments traveled thousands of kilometers across mountains and seas, reaching communities in mainland and island Southeast Asia that never shared a language, a government, or a god. This episode explores how these technically demanding objects were made through complex lost-wax…

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